Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Second, Input, Third and Sprag Clutches Assemble
2008 Chevrolet Uplander V6-3.9LSECTION Second, Input, Third and Sprag Clutches Assemble
Second, Input, Third and Sprag Clutches Assemble
Tools Required
J 33381-A Clutch Assembly Remover/Installer
1. Install the selective thrust washer (630) and the thrust bearing assembly (629) onto the input clutch housing assembly (632).
2. Use a small screwdriver in order to align the second clutch teeth so that they slide onto the second clutch hub of the input clutch housing assembly (632).
3. Install the second clutch housing assembly (617) onto the second clutch hub of the input clutch housing assembly (632).
4. Adjust the collar on J 33381-A to 4T65-E CLUTCH & DRUM. Make sure that the threaded rod is fully loosened.
5. install J 33381-A into the input clutch housing assembly (632).
6. Tighten the threaded rod of J 33381-A until the rod is finger tight.
7. UseJ 33381-A in order to lift the input and second clutch housing assembly (617, 632). The sprag clutch assemblies will also be attached.
Important: After you have installed the input and second clutch housing assembly, confirm that the top of the second clutch housing (617) is approximately 1/2 inch above the top of the reverse band assembly.
8. Install the input and second clutch housing assembly (617, 632) into the case. Be sure that the assembly is down all the way.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.